For Hart's YouTube show, What The Fit, the Girls Trip actress and the seasoned comedian joined forces to have a healthy afternoon outing. Since both Haddish and Hart — which sounds like a buddy cop show that should've been made already — are comic geniuses, we knew this episode was going to be a hoot.

In fact, the twosome were able to combine Tiffany's love of coupons with Kevin's passion for exercise. They started out the episode by utilizing a two-for-one ultrasound deal the El Lay native had secured. Despite not wanting to see his "insides," Kevin appeared to have a pretty good time during the medical visit.

Still, the highlight of the episode came during a work out session at a roller rink. Let's just say Tiffany was a natural, Kevin was not.

Watch the hilarity go down for yourself (above)! We PROMISE, you don't want to miss this!!